ATOC Forum

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Contents

Spring 2012

  • Day/Time: Thursdays at 12:30pm! Room: D142
  • February 2:
  • February 9: Lobbying 101 - Tips and tricks learned from my visit to Washington D.C. - Tanya Peevey
  • February 16: Hurricane Wake Restratification Mechanisms - Sean Haney (15min), The Modification of Wind Turbine Performance by Statistically-Distinct Atmospheric Regimes - Brian Vanderwende (15 min), Observed Ocean Spectra from Argo Profiling Floats - Katie McCaffrey (poster)
  • February 23:
  • March 1:
  • March 8:
  • March 15:
  • March 22:
  • March 29: Spring Break
  • April 5: My experience in the DYNAmics of the Madden-julian Oscillation (DYNAMO) field campaign - Jesse Nusbaumer
  • April 12: The 2012 AgI Seeding of Clouds Impact Investigation (ASCII) - Evan Kalina
  • April 19:
  • April 26:
  • May 3:
  • May 10: Finals

Sign up to lead an ATOC Forum Discussion!

Fall 2011

  • Day/Time: Thursdays at 12:30 pm! Room: Duane Physics D142
  • August 23rd: First week of classes - Organizational meeting
  • September 1st: Yunqian Zhu - Microphysical Simulation of Polar Stratospheric Clouds Using WACCM/CARMA Model
  • September 8th: Joan Alexander - Tropical Tropopause Transition Layer Cirrus as Represented by CALIPSO Lidar Observations: Virts et al. (2010) J. Atmos. Sci., 67, 3113-3129. [[1]]
  • September 15th: Pengfei Yu - Atmospheric Brown Clouds in the Himalayas: Bonasoni et al. (2010) Atmos. Chem. Phys., 10, 7515-7531. [[2]]
  • September 22nd: Andrew Kren - Where does the atmosphere get its energy: An examination of secondary energy sources
  • September 29th: Erik Larson - Creating Titan tholin analogs on an NSF EAPSI fellowship in Japan
  • October 6th:
  • October 13th:
  • October 20th: Jesse Nusbaumer - Comps. II: A global climatology of atmospheric rivers from reanalysis data and CAM5 simulations
  • October 27th: Benjamin Castellani - Greenland
  • November 3rd: Ethan Peck - Discipline specific GTP seminar
  • November 10th: Sam Stevenson - Thesis defense practice
  • November 17th:
  • November 24th:Fall Break (no forum)
  • December 1st: AGU practice talks - about 15 minutes
A.) Joan Alexander - Atmospheric Gravity Wave Processes from Aqua Measurements
B.) OPEN
C.) OPEN
  • December 8th: AGU (no forum)
  • December 15th: Finals (no forum)

Spring 2011

  • Day/Time: Wednesdays at 12:00/Noon! Room: Duane Physics D142
  • January 12: First week of classes - Organizational meeting
  • January 19: AMS practice talks - about 15 minutes
A.) Tanya Phillips - Investigation of Double Tropopause Spatial and Temporal Global Variability Utilizing HIRDLS Temperature Observations
B.) OPEN
C.) OPEN
  • January 26: Canceled
  • February 2: Alice DuVivier - GTP seminar: Asking effective questions
  • February 9: Canceled
  • February 16: John Wong - Scientific computing using GPUs
  • February 23: Canceled
  • March 2: Samuel LeBlanc - Practice COMPS 2 talk
  • March 9: Alice DuVivier - GTP seminar: Clickers
  • March 16: Tanya Phillips - practice talk: Examination of Double Tropopause Characteristics using HIRDLS Observations and Reanalysis Data: Seasonality, Interannual Variability and Duration
  • March 23: Spring Break
  • March 30: Jesse Nusbaumer - Ghil, M. Climate dynamics and fluid mechanics: Natural variability and related uncertainties. Physica D, 2008.
  • April 6: Donavan Wheeler - Climatology of Cold Air Outbreaks
  • April 13: Andrew Kren - Stratospheric-Tropospheric Dynamics: Coupling and Influence from Solar Irradiance
  • April 20: Canceled
  • April 27: Katie McCaffrey - Practice COMPS 2: Estimates of Ocean Macro-turbulence: Structure Function and Spectral Slope from ARGO Profiling Floats
  • May 4: Finals

Fall 2010

  • Day/Time: Wednesdays at 12:00/Noon! Room: Duane Physics D142
  • August 25: First week of classes - Organizational meeting
  • September 1: Joan Alexander - Phase speed spectra and the recent poleward shift of Southern Hemisphere surface westerlies/ http://www.agu.org/journals/gl/gl0721/2007GL031200/2007GL031200.pdf
  • September 8:
  • September 15:
  • September 22: Kim and Alice - Teaching/Education
  • September 29: Stephanie Evan - Atmospheric effects of volcanic eruptions as seen by famous artists and depicted in their paintings. [3]
  • October 6: Laura Holt - Comps. II
  • October 13: Kim and Alice - Teaching/Education
  • October 20: Jesse Nusbaumer - Deterministic Nonperiodic Flow [4]
  • October 27: Canceled.
  • November 3: Samantha Stevenson - What its like to be at sea.
  • November 10: Sean Davis - Brewer-Dobson Circulation
  • November 17: Tanya Phillips - Communicating Climate Change Webinar.
  • November 24: Fall Break
  • December 1: Erik Larson - Comps. II
  • December 8: AGU or AMS practice talks - about 15 minutes
A.) OPEN
B.) OPEN
C.) OPEN
  • December 15: Finals

Spring 2010

  • Day/Time: Tuesdays at 12:30! Room: Duane Physics D142
  • January 12: First week of classes - Organizational meeting
  • January 19: Tanya Phillips - Effects of changing global coverage on physical and biogeochemical properties of coastal streams in southeastern Alaska
  • January 26: Yolanda Roberts - COMPS II Practice: Evaluating the Variability of Hyperspectral Earth-reflected Solar Radiance Using Principal Component Analysis
  • February 2: Mariah Walton - Presenting a Paper: Glacial water mass geometry and the distribution of d13C of total carbonate in the western Atlantic Ocean, Curry & Oppo 2005. Will look at several papers, but theme is glacial ocean and how it differed from our modern ocean
  • February 9: Video - Where it all began: (Mid-Ocean Dynamics Experiment) MODE-I (1970-1976)
  • February 16: Dissertation Practice - Joshua McGrath: Measurements of OH Reactivity Using a Chemical Ionization Mass Spectrometry Technique
  • February 23: Cécile Penland - Intro to Stochastic Dynamics
  • March 2: Panel Presentation - Informal Discussion of Career Paths
  • March 9: Joan Alexander - Non-annular atmospheric circulation change induced by stratospheric

ozone depletion and its role in the recent increase of Antarctic sea ice extent, Turner et al., Geophys. Res. Lett., VOL. 36, L08502, doi:10.1029/2009GL037524, 2009

  • March 16: Jesse Nusbaumer - Oxygen isotopic fractionation in the photochemistry of nitrate in water and ice
  • March 23: Spring Break
  • March 30: Cancelled
  • April 6: Matthias Brakebusch - COMPS II Practice: Polar Ozone Loss in a Changing Climate
  • April 13: Benet E Duncan - Science-Teaching Journal Article (Title is TBD)
  • April 20: Samantha Stevenson - Practice seminar talk: Using New Statistical Methods to Understand ENSO
  • April 27: Maria Genao-Homs, Coordinator for Graduate Student Support Services: How CMA (Center for Multicultural Affairs) Can Be Useful to You
  • May 4: Finals

Fall 2009

  • New Day/Time: Tuesdays at 12:30! Same room: Duane Physics D142
  • August 25: First week of classes - Organizational meeting
  • September 1: Cora Randall - ATOC Program Review Process Discussion
  • September 8: Joan Alexander - http://www.agu.org/journals/gl/gl0819/2008GL034562/ Frequency of Severe Storms & Global Warming [Aumann et al., 2008]
  • September 15: ATOC Program Review Process - Student Input Discussion
  • September 22: Samuel LeBlanc - Overview of ATOC Skywatch Observatory
  • September 29: James Rudolph - Atmospheric Rivers
  • October 6:
  • October 13:
  • October 20: Samantha Stevenson - COMPS II Practice: A New Method for Diagnosing Model ENSO Variability
  • October 27: Carl Schmitt - Defense practice: The characteristics of mid- and low- latitude ice cloud crystals
  • November 3: Jih-Wang (Aaron) Wang - Towards A Robust Test on North America Warming Trend and Precipitable Water Content Increase
  • November 10: Cassie Wheeler - Reanalyses performance of cloud and boundary layer variables, and the surface energy budget over Arctic pack ice with observations from the year-long SHEBA field campaign
  • November 17: Linnea Avallone - Faculty Career Development Talk (specific topic coming later)
  • November 24: Fall Break
  • December 1:
  • December 8: AGU practice talks - 15 minutes
A.) Dave Porter - Analysis of the Arctic heat and moisture budgets in WRF: a comparison with reanalyses and satellite observations
B.) Jason English - Simulations of New Particle Formation in the Upper Troposphere
C.) OPEN
  • December 15: Finals

Spring 2009

  • January 21: No Journal Club
  • January 28: No Journal Club
  • February 4: Ryan Neely III: CO2 Detecting Lidar
  • February 11:
  • February 18: Reserved for Comps practice
  • February 25: Susanne Benze: Comps II Defense practice. Topic: Investigation of Polar Mesospheric Clouds observed by the Aeronomy of Ice in the Mesosphere satellite
  • March 4:
  • March 11:
  • March 18: Yolanda Roberts: ( Atmospheric Optical Phenomena and Radiative Transfer , Stanley David Gedzelman and Michael Vollmer)
  • March 25: Spring Break - No Journal Club
  • April 1: Tanya Phillips: COMPS II Practice. Topic: Double Tropopause Events
  • April 8: Keah Schuenemann: What career path should you take and what can you do today to get there?
  • April 15: Melissa Richards: Antarctica Field Work and Nature Article on Warming of the Antarctic ice-sheet surface since the 1957 International Geophysical Year
  • April 22: Melissa Richards: GTP Workshop on a teaching journal article (TBD)
  • April 29: Donavan Wheeler: Comps II Defense practice. Topic: Cold Air Outbreaks

Fall 2008

  • August 27: Organizational Meeting
  • September 3: An Inconvenient Truth (Part 1)
  • September 10: An Inconvenient Truth (Part 2)
  • September 17: Yolanda Roberts (Atmospheric Brown Clouds: Hemispherical and regional variation in long-range transport, absorption, and radiative forcing , V. Ramanathan et. al.)
  • September 24: Marcus van Lier-Walqui: "Vertical Structures of Precipitation in Cyclones Crossing the Oregon Cascades" by Socorro Medina, Ellen Sukovich and Robert A. Houze Jr.
  • October 1: (tentative) Dave Porter (Vertical structure of recent Arctic warming , R. Graverson et. al.) and subsequent communications.
  • October 8:Cassie Wheeler - Surface Radiative Fluxes and Cloud Cover Comparison amongst Reanlayses
  • October 15: Tanya Philips - (Dangerous Assumptions , R. Pielke, Jr et al)
  • October 22:Cassie Wheeler - An Overview of the Arctic Summer Cloud Ocean Study
  • October 29:
  • November 5: Donavan Wheeler(not fully sure if I'll be able): No title yet, but the topic is Cold Air Outbreaks
  • November 12: Keah Schuenemann Defense Practice: Analysis of the synoptic forcing of Greenland precipitation in the 20th and 21st Centuries
  • November 19:
  • November 26: (Fall Break)
  • December 3: Sam Dorsi: GRACE Observations of Glacier Mass
  • December 10: Cassie Wheeler - An Overview of Remote Sensors Deployed during the 2008 Arctic Summer Cloud-Ocean Study (ASCOS)

Spring 2008

  • January 23: SIGN UP DAY
  • January 30: Heather Walsh
  • February 6: Jason English: "The Tragedy of the Commons": Peak Oil and Climate Change
  • February 13: Yolanda Roberts: "Air Pollution Radiative Forcing from Specific Emissions Sectors at 2030" N. Unger et. al.
  • February 20: Lars Kalnajs: Out on the Ice - 3 years of field science in Antarctica
  • February 27: Sam Dorsi: The search for life on Earth from the Galileo spacecraft
  • March 5: Jamison Smith: "Teaching Science to the Rest of Us"
  • March 12: Sean Davis
  • March 19: Christa Hasenkopf - The surface of Titan and its organic inventory.
  • March 26: (SPRING BREAK)
  • April 2:
  • April 9: Mark Seefeldt / Baylor Fox-Kemper - The Academic Job Search Process.
  • April 16:
  • April 23: Keah Schuenemann: Increased runoff from melt from the Greenland Ice Sheet: A response to global warming (Hanna et al. 2008, Journal of Climate)
  • April 30: Joan Alexander: Venus Express updates on Venus atmosphere dynamics

Fall 2007

Spring 2007

Recommended reading: 1) Mark Twain, "Life on the Mississippi", 1883. 2) Day Jr., J.W. et al., Science, 315, 1679-1684, 2007. [5]

  • April 18: Tianyi Fan "Is the local climate changed by the Three Gorges Dam Project?"
  • April 25: Tanya Phillips (Analysis of Neutral Temperature and Composition using Models and ISR Observations)
  • May 2: General meeting: Come and discuss plans for next year's club.

Fall 2006

Suggestion list of "classic papers" for possible topics

Farman, J. C., B. G. Gardiner, et al. (1985). "Large losses of total ozone in Antarctica reveal seasonal ClOx/NOx interaction." Nature 315(6016): 207-210.

Molina, M. J. and F. S. Rowland (1974). "Stratospheric sink for chlorofluoromethanes: chlorine atomc-atalysed destruction of ozone." Nature 249(5460): 810-812.

Planetary wave propagation / teleconnections:

Cumulus parameterization (NOT SCIENCE OF COURSE)

Arakawa, A. and W. H. Schubert (1974), Interaction of a Cumulus Cloud Ensemble with the Large-Scale Environment, Part I, J. Atmos. Sci., 31, 674-701.

Lorenz, E. N. (1963), Deterministic Nonperiodic Flow, J. Atmos. Sci., 20, 130-141.

Blackburn, M. (1985), Interpretation of Ageostrophic Winds and Implications for Jet Stream Maintenance, J. Atmos. Sci., 42, 2604-2620.

Charney, J. G. (1948), On the scale of atmospheric motions, Geof. Publ., 17, 1-17.

Eady, E.T. 1949. Long waves and cyclone waves. Tellus, 1, 33-52.

Emanuel, K.A. 1988. Toward a general theory of hurricanes. American Scientist, 76, 370-379.

Hoskins, B. J. (1975). "The Geostrophic Momentum Approximation and the Semi-Geostrophic Equations." J. Atmos. Sci. 32(2): 233–242.

Hoskins, B.J. 1982. The mathematical theory of frontogenesis. Annu. Rev. Fluid Mech, 14, 131-151.

Hoskins, B. J. and D. J. Karoly (1981). "The Steady Linear Response of a Spherical Atmosphere to Thermal and Orographic Forcing." J. Atmos. Sci. 38(6): 1179–1196.

Lorenz, E.N. 1960. Energy and numerical weather prediction. Tellus, 12, 364-373.

Phillips, N.A., 1963. Geostrophic motion. Rev. Geophys. 1, 123-176.

Phillips, N.A., 1956. The general circulation of the atmosphere: A numerical experiment. Quart. J. Roy. Meterol. Soc, 82, 123-164.

Remote sensing of aerosols:

Holben, B. N., T. I. Eck, I. Slutsker, D. Tanre, J. P. Buis, A. Setzer, E. Vermote, J. A. Regan, Y. J. Kaufman, T. Nakajima, F. Lavenu, I. Janowiak and A. Smirov (1998), AERONET-A Federated Instrument Network and Data Archive for Aerosol Characterization, Remote Sens. Environ., 66, 1-16.

Basic dynamics:

Listing of many: LIST

HOSKINS BJ, DRAGHICI I, DAVIES HC NEW LOOK AT OMEGA-EQUATION Q J ROY METEOR SOC 104 (439): 31-38 1978 (introduces Q vectors)

HOSKINS BJ THE MATHEMATICAL-THEORY OF FRONTOGENESIS ANNU REV FLUID MECH 14: 131-151 1982

HOSKINS BJ, MCINTYRE ME, ROBERTSON AW ON THE USE AND SIGNIFICANCE OF ISENTROPIC POTENTIAL VORTICITY MAPS, Q J ROY METEOR SOC 111 (470): 877-946 OCT 1985

Surface flux/evapotranspiration:

ADVECTION-ARIDITY APPROACH TO ESTIMATE ACTUAL REGIONAL EVAPOTRANSPIRATION, BRUTSAERT W, STRICKER H, WATER RESOURCES RESEARCH 15 (2): 443-450 1979

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